#include<bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 3e5 + 10;
ll n, m;
ll A[N], B[N];
ll divi(ll a, ll b) {
return (a + b - 1) / b;
}
bool check(ll x) {
unsigned long long s = 0;
for(int i = 0; i < n; i++) {
if(B[i] >= A[i]) {
s += divi(x, B[i]);
} else {
ll t = min(m, divi(x, A[i]));
s += t + divi(max(x - t * A[i], 0ll), B[i]);
}
if(s > n * m) return 0;
}
return 1;
}
int main() {
ios::sync_with_stdio(0);
cin.tie(0);cout.tie(0);
cin >> n >> m;
for(int i = 0; i < n; i++)
cin >> A[i];
for(int i = 0; i < n; i++)
cin >> B[i];
ll l = 0, r = 4e14;
while(r - l > 1) {
ll mid = (l + r) / 2;
if(check(mid)) l = mid;
else r = mid;
}
cout << l;
}
Compilation message
Main.cpp: In function 'bool check(ll)':
Main.cpp:23:14: warning: comparison of integer expressions of different signedness: 'long long unsigned int' and 'll' {aka 'long long int'} [-Wsign-compare]
23 | if(s > n * m) return 0;
| ~~^~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
232 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
3 ms |
340 KB |
Output is correct |
11 |
Correct |
103 ms |
5000 KB |
Output is correct |
12 |
Correct |
103 ms |
5000 KB |
Output is correct |
13 |
Correct |
68 ms |
4984 KB |
Output is correct |
14 |
Correct |
82 ms |
4996 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
40 ms |
4960 KB |
Output is correct |
17 |
Correct |
81 ms |
4880 KB |
Output is correct |
18 |
Correct |
82 ms |
4996 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
40 ms |
4960 KB |
Output is correct |
3 |
Correct |
81 ms |
4880 KB |
Output is correct |
4 |
Correct |
82 ms |
4996 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
41 ms |
2660 KB |
Output is correct |
14 |
Correct |
28 ms |
1872 KB |
Output is correct |
15 |
Correct |
23 ms |
1500 KB |
Output is correct |
16 |
Correct |
17 ms |
1236 KB |
Output is correct |
17 |
Correct |
1 ms |
292 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
212 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
0 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
2 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
232 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
3 ms |
340 KB |
Output is correct |
11 |
Correct |
103 ms |
5000 KB |
Output is correct |
12 |
Correct |
103 ms |
5000 KB |
Output is correct |
13 |
Correct |
68 ms |
4984 KB |
Output is correct |
14 |
Correct |
82 ms |
4996 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
212 KB |
Output is correct |
22 |
Correct |
0 ms |
212 KB |
Output is correct |
23 |
Correct |
41 ms |
2660 KB |
Output is correct |
24 |
Correct |
28 ms |
1872 KB |
Output is correct |
25 |
Correct |
23 ms |
1500 KB |
Output is correct |
26 |
Correct |
17 ms |
1236 KB |
Output is correct |
27 |
Correct |
1 ms |
292 KB |
Output is correct |
28 |
Correct |
0 ms |
212 KB |
Output is correct |
29 |
Correct |
0 ms |
212 KB |
Output is correct |
30 |
Correct |
0 ms |
212 KB |
Output is correct |
31 |
Correct |
0 ms |
212 KB |
Output is correct |
32 |
Correct |
1 ms |
340 KB |
Output is correct |
33 |
Correct |
2 ms |
340 KB |
Output is correct |
34 |
Correct |
0 ms |
212 KB |
Output is correct |
35 |
Correct |
40 ms |
4960 KB |
Output is correct |
36 |
Correct |
81 ms |
4880 KB |
Output is correct |
37 |
Correct |
82 ms |
4996 KB |
Output is correct |
38 |
Correct |
0 ms |
212 KB |
Output is correct |
39 |
Correct |
0 ms |
212 KB |
Output is correct |
40 |
Correct |
0 ms |
212 KB |
Output is correct |
41 |
Correct |
1 ms |
212 KB |
Output is correct |
42 |
Correct |
1 ms |
212 KB |
Output is correct |
43 |
Correct |
1 ms |
212 KB |
Output is correct |
44 |
Correct |
0 ms |
212 KB |
Output is correct |
45 |
Correct |
3 ms |
416 KB |
Output is correct |
46 |
Correct |
4 ms |
468 KB |
Output is correct |
47 |
Correct |
1 ms |
340 KB |
Output is correct |
48 |
Correct |
24 ms |
1108 KB |
Output is correct |
49 |
Correct |
0 ms |
212 KB |
Output is correct |
50 |
Correct |
0 ms |
212 KB |
Output is correct |
51 |
Correct |
2 ms |
408 KB |
Output is correct |
52 |
Correct |
0 ms |
212 KB |
Output is correct |
53 |
Correct |
1 ms |
256 KB |
Output is correct |
54 |
Correct |
0 ms |
212 KB |
Output is correct |
55 |
Correct |
51 ms |
2600 KB |
Output is correct |
56 |
Correct |
27 ms |
1896 KB |
Output is correct |
57 |
Correct |
35 ms |
1876 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
41 ms |
2660 KB |
Output is correct |
10 |
Correct |
28 ms |
1872 KB |
Output is correct |
11 |
Correct |
23 ms |
1500 KB |
Output is correct |
12 |
Correct |
17 ms |
1236 KB |
Output is correct |
13 |
Correct |
1 ms |
292 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
0 ms |
212 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
2 ms |
340 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
40 ms |
4960 KB |
Output is correct |
22 |
Correct |
81 ms |
4880 KB |
Output is correct |
23 |
Correct |
82 ms |
4996 KB |
Output is correct |
24 |
Incorrect |
24 ms |
1060 KB |
Output isn't correct |
25 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
232 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
3 ms |
340 KB |
Output is correct |
11 |
Correct |
103 ms |
5000 KB |
Output is correct |
12 |
Correct |
103 ms |
5000 KB |
Output is correct |
13 |
Correct |
68 ms |
4984 KB |
Output is correct |
14 |
Correct |
82 ms |
4996 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
212 KB |
Output is correct |
22 |
Correct |
0 ms |
212 KB |
Output is correct |
23 |
Correct |
41 ms |
2660 KB |
Output is correct |
24 |
Correct |
28 ms |
1872 KB |
Output is correct |
25 |
Correct |
23 ms |
1500 KB |
Output is correct |
26 |
Correct |
17 ms |
1236 KB |
Output is correct |
27 |
Correct |
1 ms |
292 KB |
Output is correct |
28 |
Correct |
0 ms |
212 KB |
Output is correct |
29 |
Correct |
0 ms |
212 KB |
Output is correct |
30 |
Correct |
0 ms |
212 KB |
Output is correct |
31 |
Correct |
0 ms |
212 KB |
Output is correct |
32 |
Correct |
1 ms |
340 KB |
Output is correct |
33 |
Correct |
2 ms |
340 KB |
Output is correct |
34 |
Correct |
0 ms |
212 KB |
Output is correct |
35 |
Correct |
0 ms |
212 KB |
Output is correct |
36 |
Correct |
0 ms |
212 KB |
Output is correct |
37 |
Correct |
1 ms |
212 KB |
Output is correct |
38 |
Correct |
1 ms |
212 KB |
Output is correct |
39 |
Correct |
1 ms |
212 KB |
Output is correct |
40 |
Correct |
0 ms |
212 KB |
Output is correct |
41 |
Correct |
3 ms |
416 KB |
Output is correct |
42 |
Correct |
4 ms |
468 KB |
Output is correct |
43 |
Correct |
1 ms |
340 KB |
Output is correct |
44 |
Correct |
24 ms |
1108 KB |
Output is correct |
45 |
Correct |
0 ms |
212 KB |
Output is correct |
46 |
Correct |
0 ms |
212 KB |
Output is correct |
47 |
Correct |
2 ms |
408 KB |
Output is correct |
48 |
Correct |
0 ms |
212 KB |
Output is correct |
49 |
Correct |
1 ms |
256 KB |
Output is correct |
50 |
Correct |
0 ms |
212 KB |
Output is correct |
51 |
Correct |
51 ms |
2600 KB |
Output is correct |
52 |
Correct |
27 ms |
1896 KB |
Output is correct |
53 |
Correct |
35 ms |
1876 KB |
Output is correct |
54 |
Incorrect |
24 ms |
1060 KB |
Output isn't correct |
55 |
Halted |
0 ms |
0 KB |
- |